The charger turn trickle-off charging mode if battery is full &lpar;1&sol;10C&rpar;&comma; and indicate by LED&colon; • LED always green&colon;fully charged or no connected&period; • LED slowly flashes red&colon;battery is being charged&period; • LED fast flashes red&colon;Charger under protection &lpar;over temperature protection&comma;output over-voltage protection&rpar;&period;